{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T01:54:51Z","timestamp":1777514091575,"version":"3.51.4"},"reference-count":38,"publisher":"The Royal Society","issue":"4","license":[{"start":{"date-parts":[[2019,6,14]],"date-time":"2019-06-14T00:00:00Z","timestamp":1560470400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/royalsociety.org\/journals\/ethics-policies\/data-sharing-mining\/"}],"funder":[{"DOI":"10.13039\/100001062","name":"Wallace H. Coulter Foundation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100001062","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["royalsocietypublishing.org"],"crossmark-restriction":true},"short-container-title":["Interface Focus."],"published-print":{"date-parts":[[2019,8,6]]},"abstract":"<jats:p>\n            Urinary incontinence is a significant challenge for women who are affected by it. We propose augmenting the tissue structure to restore normal biomechanics by molecularly engineering the tissue using a novel family of biomimetic proteoglycans (BPGs). This work examines the ability of BPGs to modulate the mechanical and physical properties of porcine urethras\n            <jats:italic>ex vivo<\/jats:italic>\n            to determine the feasibility of BPGs to be implemented as molecular treatment for stress urinary incontinence (SUI). We investigated compliance by performing a unique radial expansion testing method using urethras from six- to nine-month-old pigs. The urethras were injected with 0.5 ml BPG solution at three sites every approximately 120\u00b0 (conc.: 25 mg ml\n            <jats:sup>\u22121<\/jats:sup>\n            , 50 mg ml\n            <jats:sup>\u22121<\/jats:sup>\n            and 75 mg ml\n            <jats:sup>\u22121<\/jats:sup>\n            in 1\u00d7 phosphate-buffered saline (PBS);\n            <jats:italic>n<\/jats:italic>\n            = 4 per group) and compared them with PBS-injected controls. Young's modulus was calculated by treating the urethra as a thin-walled pressure vessel. A water uptake study was performed by soaking 10 mm urethra biopsy samples that were injected with 0.1 ml BPG solution (conc.: 50 mg ml\n            <jats:sup>\u22121<\/jats:sup>\n            , 100 mg ml\n            <jats:sup>\u22121<\/jats:sup>\n            and 200 mg ml\n            <jats:sup>\u22121<\/jats:sup>\n            in 1\u00d7 PBS;\n            <jats:italic>n<\/jats:italic>\n            = 6 per group) in 5 ml PBS for 24 h. Although there was no significant difference in Young's modulus data, there were differences between groups as can be seen in the raw radial expansion testing data. Results showed that BPGs have the potential to increase hydration in samples, and that there was a significant difference in water uptake between BPG-injected samples and the controls (100 mg ml\n            <jats:sup>\u22121<\/jats:sup>\n            samples versus PBS samples,\n            <jats:italic>p<\/jats:italic>\n            &lt; 0.05). This work shows that BPGs have the potential to be implemented as a molecular treatment for SUI, by restoring the diminished proteoglycan content and subsequently increasing hydration and improving the compliance of urethral tissue.\n          <\/jats:p>","DOI":"10.1098\/rsfs.2019.0013","type":"journal-article","created":{"date-parts":[[2019,6,14]],"date-time":"2019-06-14T07:05:33Z","timestamp":1560495933000},"page":"20190013","update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["Modulating physical properties of porcine urethra with injection of novel biomimetic proteoglycans\n            <i>ex vivo<\/i>"],"prefix":"10.1098","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3163-4239","authenticated-orcid":true,"given":"Alicia S.","family":"Kriete","sequence":"first","affiliation":[{"name":"Materials Science and Engineering, Drexel University, Philadelphia, PA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsiaryna","family":"Prudnikova","sequence":"additional","affiliation":[{"name":"Materials Science and Engineering, Drexel University, Philadelphia, PA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michele S.","family":"Marcolongo","sequence":"additional","affiliation":[{"name":"Materials Science and Engineering, Drexel University, Philadelphia, PA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"175","published-online":{"date-parts":[[2019,6,14]]},"reference":[{"key":"e_1_3_6_2_2","first-page":"66","article-title":"Prevalence of urinary incontinence and associated risk factors in postmenopausal women","volume":"94","author":"Brown JS","year":"1999","journal-title":"Obstet. 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